MnO2 nanorods modified screen-printed electrode for the electrochemical determination of Sudan dye in food sample

被引：4
作者：
Jahani, Peyman Mohammadzadeh [1 ]
Ahmadi, Sayed Ali [2 ]
机构：
[1] Bam Univ Med Sci, Sch Publ Hlth, Bam, Iran
[2] Islamic Azad Univ, Dept Chem, Kerman Branch, Kerman, Iran
来源：
JOURNAL OF ELECTROCHEMICAL SCIENCE AND ENGINEERING | 2022年
关键词：
Voltammetric sensor; cyclic voltammetry; electroanalysis; Sudan red; CARBON-PASTE ELECTRODE; SELECTIVE DETERMINATION; ASCORBIC-ACID; VOLTAMMETRIC SENSOR; NANOPARTICLES; NANOTUBE; NANOCOMPOSITE; OPTIMIZATION; DOXORUBICIN; FABRICATION;
D O I：
10.5599/jese.1415
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A novel MnO2 nanorods modified screen-printed electrode was fabricated and used as a voltammetric sensor for Sudan determination. MnO2 nanorods were characterized using Field emission-scanning electron microscopy (FE-SEM). Electrochemical measurements were performed using cyclic voltammetry (CV), linear sweep voltammetry (LSV), differential pulse voltammetry (DPV), and chronoammperometry (CA). The MnO2 nanorods on the electrode surface act as an excellent catalyst for the Sudan oxidation reaction. Our modified electrode presents good electrocatalytic activity toward Sudan, a short response time of <10 s, a low detection limit of around 0.08 mu M, and linear detection range from 0.25 to 300.0 mu M.
引用
收藏
页码：1121 / 1131
页数：11
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